Working barrel



Jan@ 17 1924.

J. A. BELLMAN WORK ING BARREL Filed June 4, 1923 Patented .lune 17, 1924.

UNliro STATES JOHN e. BELLMAN, or Hn-NRYETTA, OKLAHOMA.

WOR-KING BARREL.

.Applicationled June4, 1923. Serial No. 643,313.

To all whom if may conce/rn.'

Be it known that I, JOHN A. BELLMAN, a a citizen of the United States, residing` at Henryetta, inthe county of Gkmulgee `and State of Oklahoma, 'have Yinvented certain new and useful Improvements in vWorking Barrels, of which the following'is a specication. 1, y 5

This invention' relates" to working barrels for oil pumps, and more particularly to means'fortlraining the Vworking' barrel and tubing to permit oil in the tubing toreturn to the well when the plunger is removed. In the present invention,"I provide a barrel provided with suitable packing members surrounding the plunger and a draining member arranged between the packing and having radial ports or passages communi.- cating with perfor-ations in the barrel whereby any oil or other Huid in the barrel and tubing above it will return to the well when the plunger is removed. Ordinarily, when an Oil pump is in use, the tubing becomes illed with oil and the lower standing valve is closed when the plunger is in a lsta-te ot rest. If the pump is to be removed from the well, the oil in the tubing is lost as the tubing is removed. i

In the accompanying drawings, I have shown one embodimentY of the invention. In this showing: f

Figure 1 is a central vertical sectional View of a portion of an oil 'pump showing the working barrel and plunger,

Figure 2 is a transverse sectional view on line 2-2 of Figure 1,

Figure 3 is a similar view on line Figure 1,

Figure 4 is a similar view on line 4-4 of Figure 1, and,

Figure 5 is a perspective view of the draining member forming the subject matter of the present invention.

Referring to the drawings, the reference numeral 1 designates a section' of ordinary well tubing which is threaded at its lower end to receive a casting 2. rIhis casting is threaded at its lower end to receive a tubing 3 of larger diameter than the well tubing and which Jforms the working barrel. The lower end of the barrel is internally threaded to receive a casting 4,V which isy in turn internally threaded on its lower end to receive a sect-ion of tubing 5. This section of tubing forms the lower stand` ing valve casing and is provided with a valve seat 6, adapted to .receive a ball valve 7. A plunger 8 ris arranged within the barrel and extends into Vthe valve casing. `The upper end oi the plunger is. provided with openings 9 to permit passageA of oil into the Ywell tubing. Beneath `theseopem ings, there is provided a valve seat 10 adapted to receive an upperstanding lvalve 111.

The Lipper end ofthe 'plunger is threaded, as at 12, and is adaptedy to be connected to a` suitable pump rodmextending through thel casing tothetop` of the welll. yIithin the lworking Abarrel, there :is provided eylindrical packing members 13-each of whicha're provided with a central opening for the The working barpassage of the plunger. rel is provided with a plurality of perforations 14, at a point intermediate the top and bottom and arranged adjacent these perforations between the packing members, there is provided a draining member 15. As shown, the draining member is provided with a plurality of radial ports 16, communicating with the central passagey of the pumpY and is further provided with a peripheral grooverl? through which the oil is adapted to pass to the perforations 14 and thus return to the well.

The operation of the device'will be apparent. When the plunger is withdrawn from the well and the casing and working barrel to be removed, the well casing is normally filled with oil, most of which is lost as the sections ot the casing are removed at the top of the well. By means of the draining apparatus -forming the subject matter of the present invention, the oil in the well casing is immediately drained into the well when' the plunger is removed.

It is to be understoodA that the form ofv my invention herewithvshown and described is to be taken as a preferred example of the same, and that various changes in the shape, Size, and arrangement of parts may be resorted to without'departing from the spirit 2. In an oil pump, a Working barrel, a plunger arranged in said barreL-packmg arranged in said barrel eXteriorly of said plunger, the outer wall of said barrel being provided with a plurality or' yperforations, and means for draining oil through said packing and said perforations when the plungei` is removed.

3. In an oil pump, a Working barrel, a plunger arranged in said barrel, a plurality ofcylindrical packing members arranged in said barrel and surrounding said plunger, anda draining member arranged between a pair or" said packing members, said barrel being lprovided with perforatio'ns adjacent said draining member. f

. 4,. In Yan oil pump, a working barrel having `perforations formed therein interina.

between a pair of packing membersI adja' -dial passages.

5. In an oil pump, a working barrel having peri'orations formed therein intermediate its ends, a plunger mounted in said barrel, a plurality of packing members arranged in said barrel and surrounding said plunger, and a draining member interposed between a pair of packing members adjacent said perforations, said draining mem ber being provided with a plurality ofv radial passages, and being Vfurther provided with a circumferential groove communicating with said passages. v

In testimony whereof, I a-HiX my signa- `ture in presence of two witnesses;

, JOHN A. BELLMN'L Witnesses:

R. C. Vronrm,v

FRANK F. LAMB. 

